Subtract 9/7 from 24/36, Solve 24/36

Subtract 9/7 from 24/36

1^st number: 24/36, 2^nd number: 1 2/7

24/36 - 9/7 is -13/21.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
24/36 = 24 × 7/36 × 7 = 168/252
Likewise, for the 2nd fraction, since 7 × 36 = 252,
9/7 = 9 × 36/7 × 36 = 324/252
Subtract the two like fractions:
168/252 - 324/252 = 168 - 324/252 = -156/252
After reducing the fraction, the answer is -13/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad